package com.java8.ch04;

// Masking sign extension.
public class HexByte {

	public static void main(String[] args) {
		char hex[] = {
			'0','1','2','3','4','5','6','7',
			'8','9','a','b','c','d','e','f'
		};
		
		byte b = (byte) 0xf1;
		System.out.println("b = 0x"+hex[(b >> 4) & 0x0f] + hex[b & 0x0f]);
	}
	
}
